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137481802 = 268740901
BaseRepresentation
bin10000011000111…
…00111001001010
3100120200210120121
420030130321022
5240143404202
621350413454
73256401403
oct1014347112
9316623517
10137481802
1170672127
123a06128a
13226380a3
141438a9aa
15c10a537
hex831ce4a

137481802 has 4 divisors (see below), whose sum is σ = 206222706. Its totient is φ = 68740900.

The previous prime is 137481797. The next prime is 137481803. The reversal of 137481802 is 208184731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106110601 + 31371201 = 10301^2 + 5601^2 .

It is not an unprimeable number, because it can be changed into a prime (137481803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34370449 + ... + 34370452.

Almost surely, 2137481802 is an apocalyptic number.

137481802 is a deficient number, since it is larger than the sum of its proper divisors (68740904).

137481802 is an equidigital number, since it uses as much as digits as its factorization.

137481802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68740903.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 137481802 is about 11725.2634085551. The cubic root of 137481802 is about 516.1172865011.

The spelling of 137481802 in words is "one hundred thirty-seven million, four hundred eighty-one thousand, eight hundred two".

Divisors: 1 2 68740901 137481802